问题
选择题
Is this factory ___________?
A．the one your father works in
B．where your father works
C．which your father works
D．your father works in
答案
答案：A
考查定语从句。将句子还原为陈述句可知句中缺少表语，故用代词the one作表语，并作先行词，在定语从句中作介词in的宾语，故选A。